Harrodsburg Limestone
E233126
Harrodsburg Limestone is a Mississippian-age carbonate rock formation in the central United States, notable for its fossil-rich marine deposits and use as a building stone.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Harrodsburg Limestone canonical | 1 |
| Harrodsburg Limestone (locally) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2065993 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Harrodsburg Limestone Context triple: [Bedford limestone, overlies, Harrodsburg Limestone]
-
A.
Anston limestone
Anston limestone is a durable, fine-grained building stone from Anston in South Yorkshire, England, historically quarried for major 19th-century architectural projects.
-
B.
Bedford limestone
Bedford limestone is a high-quality, fine-grained building stone from southern Indiana widely used in prominent architectural landmarks across the United States.
-
C.
Tura limestone
Tura limestone is a fine white Egyptian limestone historically prized for its high quality and used as the outer casing stone for major monuments such as the Great Pyramid of Giza.
-
D.
Lioz limestone
Lioz limestone is a dense, decorative Portuguese limestone widely used in historic architecture and monuments, especially in and around Lisbon.
-
E.
Holston Formation
The Holston Formation is a geologic unit in eastern Tennessee renowned for its high-quality crystalline limestone commonly marketed as Tennessee marble and widely used in prominent architectural projects.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Harrodsburg Limestone Target entity description: Harrodsburg Limestone is a Mississippian-age carbonate rock formation in the central United States, notable for its fossil-rich marine deposits and use as a building stone.
-
A.
Anston limestone
Anston limestone is a durable, fine-grained building stone from Anston in South Yorkshire, England, historically quarried for major 19th-century architectural projects.
-
B.
Bedford limestone
Bedford limestone is a high-quality, fine-grained building stone from southern Indiana widely used in prominent architectural landmarks across the United States.
-
C.
Tura limestone
Tura limestone is a fine white Egyptian limestone historically prized for its high quality and used as the outer casing stone for major monuments such as the Great Pyramid of Giza.
-
D.
Lioz limestone
Lioz limestone is a dense, decorative Portuguese limestone widely used in historic architecture and monuments, especially in and around Lisbon.
-
E.
Holston Formation
The Holston Formation is a geologic unit in eastern Tennessee renowned for its high-quality crystalline limestone commonly marketed as Tennessee marble and widely used in prominent architectural projects.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
carbonate rock unit
ⓘ
geologic formation ⓘ |
| chronostratigraphicUnit | Mississippian Series ⓘ |
| color |
light gray
ⓘ
medium gray ⓘ |
| contains |
carbonate mud matrix
ⓘ
skeletal grains ⓘ |
| containsFossilsOf |
bivalves
ⓘ
brachiopods ⓘ bryozoans ⓘ corals ⓘ crinoids ⓘ marine invertebrates ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| depositionalSetting | epeiric sea ⓘ |
| economicUse | construction material ⓘ |
| environmentOfDeposition |
carbonate shelf
ⓘ
shallow marine ⓘ |
| fossilContent | abundant marine fossils ⓘ |
| fossilPreservation | good ⓘ |
| geologicAge | Mississippian ⓘ |
| geologicProvince |
Interior Low Plateaus physiographic region
ⓘ
surface form:
Interior Low Plateaus
|
| lithology |
carbonate rock
ⓘ
limestone ⓘ |
| locatedIn |
Indiana
ⓘ
Kentucky ⓘ central United States ⓘ |
| namedFor | Harrodsburg, Kentucky ⓘ |
| overlies | Borden Group ⓘ |
| partOf | Carboniferous period ⓘ |
| region |
Illinois Basin area
ⓘ
eastern Interior Basin ⓘ |
| rockType | sedimentary rock ⓘ |
| scientificInterest |
biostratigraphy
ⓘ
paleoecology ⓘ sedimentology ⓘ |
| stratigraphicUnitOf | Mississippian stratigraphy of the Midwest ⓘ |
| texture |
bioclastic
ⓘ
fossiliferous ⓘ |
| underlies |
Salem Limestone
ⓘ
St. Louis Limestone ⓘ |
| usedAs |
building stone
ⓘ
dimension stone ⓘ |
| usedFor |
paleontological study
ⓘ
stratigraphic correlation ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Harrodsburg Limestone Description of subject: Harrodsburg Limestone is a Mississippian-age carbonate rock formation in the central United States, notable for its fossil-rich marine deposits and use as a building stone.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Salem Limestone
this entity surface form:
Harrodsburg Limestone (locally)